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Numbers whose base-11 representation has the same nonzero number of 0's and 6's.
0

%I #13 Jun 30 2021 04:05:22

%S 66,127,187,248,308,369,429,490,550,611,671,727,728,729,730,731,733,

%T 734,735,736,737,748,759,770,781,803,814,825,836,853,913,974,1034,

%U 1095,1155,1216,1276,1348,1359,1370,1381,1392,1398,1399,1400,1401

%N Numbers whose base-11 representation has the same nonzero number of 0's and 6's.

%t Select[Range[1500],DigitCount[#,11,0]==DigitCount[#,11,6]>0&] (* _Harvey P. Dale_, Mar 27 2011 *)

%K nonn,base,easy

%O 1,1

%A _Olivier GĂ©rard_